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Jose Eduardo dos Santos is marking 30 years at the helm of Angola. He has presided over and ultimately won a long civil war and shows no sign of stepping down.
The 67-year-old is now Africa's second-longest serving leader after Muammar Gaddafi of Libya, following the death of Gabonese leader Omar Bongo in June.
But unlike the flamboyant Col Gaddafi, Mr dos Santos shuns the limelight, rarely making public appearances, and he refuses all interview requests from international media.

SWAZILAND - King Mswati III (40) since 1987 King Mswati III was flanked by dignitaries as he delivered his speech

CAMEROON - President Paul Biya (76)Biya took over in 1982 from President Ahmadou Ahidjo and won re-election for another seven-year term in October 2004.

CONGO REPUBLIC - President Denis Sassou Nguesso (65**)
Sassou Nguesso seized power in a 1979 coup but then lost the country's first multi-party elections in 1992 to scientist Pascal Lissouba. He regained the presidency in 1997 after a brief but bloody civil war and was re-elected in 2004 for a further seven-year term.